<span class="player-time">
    {{=format(current)}}
</span>
<mx-slider class="player-tracker" *value="{{#percent}}" mx-update="@:{stop.update}()" mx-change="@:{update.time}()" *buffer="true" *buffer-value="{{#buffered}}" />
<span class="player-time">
    {{=format(duration)}}
</span>